Home / 153,748,020.24-212,176,436.04-94,208,286.60

Finding the Fourth Proportional to 153,748,020.24, 212,176,436.04 and 94,208,286.60

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Solution

The fourth proportional to 153,748,020.24, 212,176,436.04 and 94,208,286.60 is: 130,009,989.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,748,020.24 : 212,176,436.04 = 94,208,286.60 : x
  2. Step 2: Convert to fraction form
    153,748,020.24/212,176,436.04 = 94,208,286.60/x
  3. Step 3: Cross multiply
    153,748,020.24x = 212,176,436.04 × 94,208,286.60
  4. Step 4: Simplify right side
    153,748,020.24x = 19,988,778,496,222,888
  5. Step 5: Solve for x
    x = 19,988,778,496,222,888/153,748,020.24
  6. Step 6: Final answer
    x = 130,009,989.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.